2009 Audi A4 vs. 2004 Audi RS4
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi RS4. In addition, the cost of maintenance, including insurance, on 2004 Audi RS4 would be higher. At 2,671 cc (6 cylinders), 2004 Audi RS4 is equipped with a bigger engine. In terms of performance, 2004 Audi RS4 (376 HP @ 6300 RPM) has 228 more horse power than 2009 Audi A4. (148 HP @ 6000 RPM) In normal driving conditions, 2004 Audi RS4 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS4 weights approximately 235 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2004 Audi RS4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Audi RS4 (450 Nm @ 2500 RPM) has 250 more torque (in Nm) than 2009 Audi A4. (200 Nm @ 3500 RPM). This means 2004 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2004 Audi RS4 | |
| Make | Audi | Audi |
| Model | A4 | RS4 |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 148 HP | 376 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 200 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1585 kg |
| Vehicle Length | 4550 mm | 4480 mm |
| Vehicle Width | 1780 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 55 L |
